AirHint found the following cheapest return flights from Athens (ATH) to Buenos Aires (EZE) in October 2025 (see full year).

Return flights

07 Oct - 22 Oct	Turkish Airlines
09 Oct - 16 Oct	Turkish Airlines
24 Oct - 09 Nov	Turkish Airlines
08 Oct - 26 Oct	Delta
16 Oct - 01 Nov	Delta
08 Oct - 15 Oct	Turkish Airlines
08 Oct - 25 Oct	Turkish Airlines
17 Oct - 01 Nov	Delta
07 Oct - 17 Oct	SWISS
02 Oct - 24 Oct	Lufthansa
03 Oct - 20 Oct	SWISS
03 Oct - 24 Oct	SWISS
03 Oct - 26 Oct	SWISS
18 Oct - 01 Nov	Delta

Also check the deals for one-way flights from Athens to Buenos Aires in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Athens to Buenos Aires in October from 968€

Return flights